karo: tx6ul: configure JTAG_* pads for JTAG function unless disabled by env. variable

[karo-tx-uboot.git] / tools / fit_info.c

diff --git a/tools/fit_info.c b/tools/fit_info.c
index 50f3c8edf12ef2cde4c89572eece2bcdbfa54454..652abcd2bd15434b78298035e53a6d13c9b874e4 100644 (file)
--- a/tools/fit_info.c
+++ b/tools/fit_info.c
@@ -48,10 +48,11 @@ int main(int argc, char **argv)
        char *fdtfile = NULL;
        char *nodename = NULL;
        char *propertyname = NULL;
-       char cmdname[50];
+       char cmdname[256];
        int c;
 
-       strcpy(cmdname, *argv);
+       strncpy(cmdname, *argv, sizeof(cmdname) - 1);
+       cmdname[sizeof(cmdname) - 1] = '\0';
        while ((c = getopt(argc, argv, "f:n:p:")) != -1)
                switch (c) {
                case 'f':
@@ -68,7 +69,19 @@ int main(int argc, char **argv)
                        break;
                }
 
-       ffd = mmap_fdt(cmdname, fdtfile, &fit_blob, &fsbuf, 0);
+       if (!fdtfile) {
+               fprintf(stderr, "%s: Missing fdt file\n", *argv);
+               usage(*argv);
+       }
+       if (!nodename) {
+               fprintf(stderr, "%s: Missing node name\n", *argv);
+               usage(*argv);
+       }
+       if (!propertyname) {
+               fprintf(stderr, "%s: Missing property name\n", *argv);
+               usage(*argv);
+       }
+       ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
 
        if (ffd < 0) {
                printf("Could not open %s\n", fdtfile);